| Variables | Etiology | Total (n = 146) | ||||
| Benign (n = 69) | Malignant (n = 77) | |||||
| N | % | n | % | n | % | |
| Surgery | ||||||
| Open | 40 | 66.7 | 34 | 44.2 | 74 | 50.7 |
| VLP | 29 | 33.3 | 43 | 55.8 | 72 | 49.3 |
| Laterality | ||||||
| Right | 27 | 39.13 | 38 | 49.35 | 65 | 44.52 |
| Left | 42 | 60.87 | 39 | 50.65 | 81 | 55.48 |
| VLP Approach | ||||||
| Retro | 3 | 10.34 | 3 | 6.98 | 6 | 8.33 |
| Trans | 26 | 89.66 | 40 | 93.02 | 66 | 91.67 |
| Cause | ||||||
| Angiomyolipoma | 1 | 1.45 | - | - | 1 | 0.68 |
| Endometrioma | 1 | 1.45 | - | - | 1 | 0.68 |
| UPJ Stenosis | 6 | 8.70 | - | - | 6 | 4.11 |
| Lithiasis | 52 | 75.36 | - | - | 52 | 35.62 |
| Pyelonephritis | 1 | 1.45 | - | - | 1 | 0.68 |
| Vesicoureteral Reflux | 1 | 1.45 | - | - | 1 | 0.68 |
| Polycystic Kidney | 4 | 5.80 | - | - | 4 | 2.74 |
| Tuberculosis | 1 | 1.45 | - | - | 1 | 0.68 |
| Other | 2 | 2.90 | - | - | 2 | 1.37 |
| Renal cancer | - | - | 76 | 98.70 | 76 | 52.05 |
| Retroperitoneal Tumor | - | - | 1 | 1.30 | 1 | 0.68 |
| Age (years) | ||||||
| 20 - 30 | 8 | 11.59 | 1 | 1.30 | 9 | 6.16 |
| 31 - 40 | 17 | 24.64 | 5 | 6.49 | 22 | 15.07 |
| 41 - 50 | 19 | 27.54 | 10 | 12.99 | 29 | 19.86 |
| 51 - 60 | 11 | 15.94 | 22 | 28.57 | 33 | 22.60 |
| 61 - 70 | 10 | 14.49 | 28 | 36.36 | 38 | 26.03 |
| 71 - 80 | 3 | 4.35 | 10 | 12.99 | 13 | 8.90 |
| >80 | 1 | 1.45 | 1 | 1.30 | 2 | 1.37 |
| Comorbidities | ||||||
| SAH | 29 | 42.03 | 45 | 58.44 | 74 | 50.68 |
| 40 | 57.97 | 32 | 41.56 | 72 | 49.32 | |
| DM | 11 | 15.94 | 26 | 33.77 | 37 | 25.34 |
| 58 | 84.06 | 51 | 66.23 | 109 | 74.66 | |
| CRD | 11 | 15.94 | 4 | 5.19 | 15 | 10.27 |
| 58 | 84.06 | 73 | 94.81 | 131 | 89.73 | |
| Smoking | 9 | 13.04 | 22 | 28.57 | 31 | 21.23 |
| 60 | 86.96 | 55 | 71.43 | 115 | 78.77 | |
| AMI | 1 | 1.45 | 2 | 2.60 | 3 | 2.05 |
| 68 | 98.55 | 75 | 97.40 | 143 | 97.95 | |
| Clavien-Dindo | ||||||
| 0 | 46 | 66.67 | 49 | 63.64 | 95 | 65.07 |
| I | 10 | 14.49 | 18 | 23.38 | 28 | 19.18 |
| II | 4 | 5.80 | 6 | 7.79 | 10 | 6.85 |
| IIIa | 1 | 1.45 | 0 | 0.00 | 1 | 0.68 |
| IIIb | 4 | 5.80 | 2 | 2.60 | 6 | 4.11 |
| IVa | 2 | 2.90 | 2 | 2.60 | 4 | 2.74 |
| IVb | 1 | 1.45 | 0 | 0.00 | 1 | 0.68 |
| V | 1 | 1.45 | 0 | 0.00 | 1 | 0.68 |